MCQ (Previous Year Questions) - Carbonyl Group (Level 2)


16 Questions MCQ Test Chemistry for JEE Advanced | MCQ (Previous Year Questions) - Carbonyl Group (Level 2)


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This mock test of MCQ (Previous Year Questions) - Carbonyl Group (Level 2) for JEE helps you for every JEE entrance exam. This contains 16 Multiple Choice Questions for JEE MCQ (Previous Year Questions) - Carbonyl Group (Level 2) (mcq) to study with solutions a complete question bank. The solved questions answers in this MCQ (Previous Year Questions) - Carbonyl Group (Level 2) quiz give you a good mix of easy questions and tough questions. JEE students definitely take this MCQ (Previous Year Questions) - Carbonyl Group (Level 2) exercise for a better result in the exam. You can find other MCQ (Previous Year Questions) - Carbonyl Group (Level 2) extra questions, long questions & short questions for JEE on EduRev as well by searching above.
*Multiple options can be correct
QUESTION: 1

The reaction of  with a mixture of Br2 and KOH gives R–NH2 as a product. The intermediates involved in this reaction are:                            [IIT 1992]

 

Solution:
QUESTION: 2

Which of the following carboxylic acids undergo decarboxylation easily:       [IIT 1995]

Solution: All Beta- kito carboxylic acid ungoes decarboxylation easily.
QUESTION: 3

The molecular weight of benzoic acid in benzene as determined by depression in freezing point method corresponds to :       [IIT 1996]

Solution:
QUESTION: 4

When propionic acid is treated with aqueous NaHCO3, CO2 is liberated. The 'C' of CO2 comes from [IIT 1996]

Solution:
QUESTION: 5

Benzoyl chloride is prepared from benzoic acid by:            [IIT 2000]

Solution:
QUESTION: 6

Which of the following acids has the smallest dissociation constant?    [IIT 2002]

Solution:
QUESTION: 7

When benzamid is treated with POCl3, the product is:   [IIT 2004]

Solution: C6H5CONH2 + POCl3 —› C6H5CNOAs there`s no C6H5CNO (benzonitrile oxide) in the options above, the correct answer is C6H5CN (benzonitrile).
QUESTION: 8

The correct IUPAC name of C6H5COCl is   [IIT 2006]

Solution:
QUESTION: 9

Which of the following reactants on reaction with conc. NaOH followed by acidification gives the following lactone as the only product?    [IIT 2006]

Solution:
QUESTION: 10

Match the compounds in Column I with their characteristic test(s)/reaction(s) given in Column II. Indicate your answer by darkening the appropriate bubbles of the 4 × 4 matrix given in the ORS.   [IIT 2008]

Column I

(A)

(B)

(C)

(D)

 

Column II


(P) sodium fusion extract of the compound gives Prussian blue colour with FeSO4

(Q) gives positive FeCl3 test
(R) gives white precipitate with AgNO3

(S) reacts with aldehydes to form the corresponding hydrazone derivative

Solution:
QUESTION: 11

Match each of the compound in Column I with its characteristic reaction(s) in Column II.   [IIT 2009]

Column I

(A) CH3CH2CH2CN

(B) CH3CH2OCOCH3

(C) CH3 – CH = CH – CH2OH

(D) CH3CH2CH2CH2NH2

 

Column II
(P) Reduction with Pd–C / H2

(Q) Reduction with SnCl2 / HCl
(R) Development of foul smell on treatment with chloroform and alcoholic KOH
(S) Reduction with diisobutylaluminium hydride (DIBAL – H)
(T) Alkaline hydrolysis

Solution:
QUESTION: 12

Match each of the compounds given in Column I with the reaction(s), that they can undergo, given in Column II.  [IIT 2009]

 

Solution:
QUESTION: 13

Q.13 The major product of the following reaction is    [IIT 2011]

Solution:
QUESTION: 14

Among the following compounds, the most acidic is         [IIT 2011]

Solution:
QUESTION: 15

The carboxy functional group (–COOH) is present in       [IIT 2012]

Solution: Aspirin (acetylsalicylic acid) contains three groups: carboxylic acid functional group (R-COOH) ester functional group (R-O-CO-R') aromatic group (benzene ring)
QUESTION: 16

The compound that undergoes decarboxylation most readily under mild condition in      [IIT 2012]

Solution: